"Red Army" is slang, I believe
Answer:
1st Lt James Harold Doolittle made another milestone flight on 24 September 1929. His milestone was the first successful blind flight—the act of taking off and landing relying solely on instruments inside the cockpit for guidance. He took off, flew five miles, and landed safely—all without looking out of the plane.
Explanation:
east of the Arabian Peninsula
The answer in the question provided is letter b, lack of
industrialization. It is because developing nation or country usually involves
of having industrial bases to be less develop than of the developed countries
in which lack industrialization is one of the things found in a developing
nation.
